About the Authors

Sebastian Oberst

s.oberst@adfa.edu.au

Affiliation Acoustics & Vibration Unit, School of Engineering and Information Technology, The University of New South Wales, Canberra, Australia

Theodore A. Evans

Affiliation Department of Biological Sciences, National University of Singapore, Singapore

Joseph C. S. Lai

Affiliation Acoustics & Vibration Unit, School of Engineering and Information Technology, The University of New South Wales, Canberra, Australia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: SO. Contributed reagents/materials/analysis tools: SO TAE JCSL. Wrote the paper: SO JCSL TAE.